4-Heptanolide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 105-21-5 |
| Product name | 4-Heptanolide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty GradeCosmetic GradeFood Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for 4-Heptanolide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Heptanolide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Heptanolide
| Industry | Application | Process |
|---|---|---|
| Food Industry | Food flavorings and fragrances, used in formulating coconut-, cream-, peach-, and apricot-type fruit flavors | Used as a synthetic fragrance component, directly incorporated into food flavor formulations |
| Personal Care Industry | Fragrance ingredient in perfumes, cosmetics, and soap fragrances | Blended with other fragrance ingredients for perfuming personal care products |
| Tobacco Industry | Flavoring component in tobacco flavorings, enhancing tobacco aroma and taste | Added to tobacco cut filler or filter tips to improve smoking quality |
| Chemical Synthesis | Organic synthesis intermediate | Used in the synthesis of other lactone compounds or fine chemicals |
Manufacturing Quality Control of 4-Heptanolide
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Content Determination | Gas Chromatography (GC) | Capillary column gas chromatography with flame ionization detection (FID). Quantitative analysis is performed by comparison with reference standards. This method offers high resolution and sensitivity, making it suitable for the determination of volatile components. |
| Purity Analysis | High-Performance Liquid Chromatography (HPLC) | Reverse-phase C18 column is used with UV detection (commonly set at 210–220 nm). The mobile phase typically consists of methanol-water or acetonitrile-water systems, enabling the detection of impurities and assessment of main component purity. |
| Volatile Component Analysis | Gas Chromatography-Mass Spectrometry (GC-MS) | Combines the separation capability of GC with the structural identification power of MS. Used to confirm the structure of gamma-heptalactone and detect potential volatile impurities. Suitable for qualitative and semi-quantitative analysis. |
| Moisture Content | Karl Fischer Titration | Based on the reaction between iodine and sulfur dioxide in an anhydrous environment with water. Accurately measures trace amounts of moisture, ideal for moisture-sensitive lactone compounds. |
| Refractive Index | Refractometry | Determined at a specified temperature (typically 20°C), serving as a physical constant to assist in identifying authenticity and purity. |
| Relative Density | Density Bottle Method or Electronic Density Meter | Measures mass per unit volume; compared with standard values to preliminarily assess sample purity. |
| Appearance and Color | Visual Color Comparison | Sample placed in a colorimetric tube and visually compared with standard reference solutions to evaluate color and clarity, detecting visible impurities or signs of degradation. |
| Acid Value | Acid-Base Titration | Titration of free acids in the sample using standardized sodium hydroxide solution. Expressed as the milligrams of potassium hydroxide required to neutralize one gram of sample, indicating degree of lactone hydrolysis or oxidation. |
Technical Specifications of 4-Heptanolide
| Test Item | Specification |
|---|---|
| Appearance | Colorless to almost colorless clear liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.438–1.442 |
| Relative Density (20°C/25°C) | 0.925–0.935 g/cm³ |
| Odor | Characteristic fruity odor |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of 4-Heptanolide
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Heptanolide
Packaging of 4-Heptanolide
Industrial 4-Heptanolide Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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